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- //------------------------------------------------------------------------------------------------------------------------
- // -------------------------------------------------------------------------
- // ----- MpdTgem header file -----
- // -------------------------------------------------------------------------
- /** Tgem.h
- **
- ** Defines the active detector Tgem. Constructs the geometry and
- ** registeres MCPoints.
- **/
- #ifndef MPDTgem_H
- #define MPDTgem_H
- #include "TClonesArray.h"
- #include "TLorentzVector.h"
- #include "TVector3.h"
- #include "FairDetector.h"
- class MpdTgemPoint;
- class FairVolume;
- //------------------------------------------------------------------------------------------------------------------------
- class MpdTgem : public FairDetector
- {
- public:
- // *@param name detector name
- // *@param active sensitivity flag
- MpdTgem(const char* name, Bool_t active);
- MpdTgem();
- virtual ~MpdTgem();
- // Defines the action to be taken when a step is inside the
- // active volume. Creates MpdTgemPoints and adds them to the collection.
- // @param vol Pointer to the active volume
- virtual Bool_t ProcessHits(FairVolume* vol = 0);
- // If verbosity level is set, print hit collection at the
- // end of the event and resets it afterwards.
- virtual void EndOfEvent();
- // Registers the hit collection in the ROOT manager.
- virtual void Register();
- // Accessor to the hit collection
- virtual TClonesArray* GetCollection(Int_t iColl) const;
- // Screen output of hit collection.
- virtual void Print() const;
- // Clears the hit collection
- virtual void Reset();
- // *@param cl1 Origin
- // *@param cl2 Target
- // *@param offset Index offset
- virtual void CopyClones(TClonesArray* cl1, TClonesArray* cl2, Int_t offset);
- // Constructs the Tgem geometry
- virtual void ConstructGeometry();
-
- private:
- // Track information to be stored until the track leaves the active volume.
- Int_t fTrackID; //! track index
- Int_t fVolumeID; //! volume id
- TVector3 fPos; //! position
- TVector3 fPosLocal; //! position local to gas chamber
- TLorentzVector fMom; //! momentum
- Double32_t fTime; //! time
- Double32_t fLength; //! length
- Double32_t fELoss; //! energy loss
- Int_t fIsPrimary; //! is track primary?
- Double_t fCharge; //! track charge
- Double_t fRadius; //! hit radius
- Int_t fPdgId; //! pdg id of particle
- Int_t fwheel;
- TVector3 fPosIn; //! entry position in global frame
- TVector3 fPosOut; //! exit position in global frame
-
- TVector3 fPosInTmp; //! entry position in global frame
- Int_t fTrackIDTmp; //! track index
- Int_t fwheelTmp;
- Int_t fPosIndex; //!
- TClonesArray* fTgemCollection; //! Hit collection
- int DistAndPoints(TVector3 p3, TVector3 p4, TVector3& pa, TVector3& pb);
- TVector3 GlobalToLocal(TVector3& global);
- TVector3 LocalToGlobal(TVector3& local);
-
- // Adds a MpdTgemPoint to the HitCollection
- MpdTgemPoint* AddHit(Int_t trackID, Int_t detID, TVector3 pos, Double_t radius, TVector3 mom, Double_t time,
- Double_t length, Double_t eLoss, Int_t isPrimary, Double_t charge, Int_t fPdgId, TVector3 trackPos);
-
- // Resets the private members for the track parameters
- void ResetParameters();
- ClassDef(MpdTgem,1)
- };
- //------------------------------------------------------------------------------------------------------------------------
- inline void MpdTgem::ResetParameters()
- {
- fTrackID = -1;
- fVolumeID = fwheel = 0;
- fPos.SetXYZ(0.0, 0.0, 0.0);
- fMom.SetXYZM(0.0, 0.0, 0.0, 0.0);
- fTime = fLength = fELoss = 0;
- fPosIndex = 0;
-
- fPosInTmp.SetXYZ(0.0, 0.0, 0.0);
- fTrackIDTmp=-1;
- fwheelTmp=-1;
- };
- //------------------------------------------------------------------------------------------------------------------------
- #endif
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